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May 2, 2022 Reading Time: 4 minutes
Reprinted from City Journal

“There is simply no such thing as ‘social’ justice,” writes Jordan Peterson. “Whatever those who rely on this cliched phrase are aiming at has nothing whatsoever to do with justice. Justice is meted out at the level of the suffering individual.” Indeed, if the term “social justice” rightly suggests a larger idea of justice beyond simply leaving others in peace, it offers an unhelpful explanation of what that larger idea might entail. Instead of seeking to divine the meaning of “social justice,” a better course would be to consider Adam Smith’s three-layered concept of justice.

In The Theory of Moral Sentiments, Smith distinguishes between commutative justice, or not messing with other people’s stuff; distributive justice, or making a becoming use of what is one’s own; and estimative justice, or estimating objects properly. When a claim not to have our possessions messed with is made against government, it is called liberty. Yet even classical liberals can sense that justice extends further. What, after all, justifies commutative justice or liberty but some larger principles?

In expanding the concept of justice, it is natural to think that we should move on to some other sense of justice, such as “social justice” or “general justice.” For Smith, however, justice is always a matter of individual actions and duties. If someone does something, the relevant questions are: Did he, in doing the action, mess with anyone’s stuff? Did he make a becoming use of his own possessions? Did he estimate pertinent objects properly? The first is a matter of grammar-like rules. But the second and third, distributive and estimative, involve aesthetic considerations and a sense of propriety—above which is praiseworthy and below which is blameworthy.

Distributive and estimative justice necessarily involve vagueness, as in Smith’s use of the word “becoming.” Smith described their rules as “loose, vague, and indeterminate.” Each sense of justice demands an evaluation of the actor and his action, in light of the context of that action and the relevant alternatives. Estimative justice demands specification of the object being estimated. Such demands give more structure, coherence, and discipline than is found in discourse about “social” or “general” justice.

Conflating distributive and estimative justice forsakes their distinct operations, and the result is sloppier thinking. Some contend that in estimating an object, one is distributing one’s esteem, and such distributing is then judged for its becomingness. But this expansion does not work well. Where Smith explicitly writes of “distributive justice,” it is associated with “proper beneficence,” “charity or generosity,” “the social virtues,” “the social and beneficent Virtues,” and giving praise that is due. It seems that the objects of distributive justice attach to a set of persons; distributive justice would not apply to a poem, a picture, or an idea abstracted from any particular set of persons.

Moreover, to say that we have a limited supply of esteem to distribute to all of the objects of the world usually works poorly. Such a metaphor would need some notion of the constraint on esteem, as well as some sense of the relevant objects over which such points are to be distributed. But, for estimative justice, we are talking about all manner of objects, including ideas. Ideas are innumerable. One idea soon gives rise to another.

Ideas and sentiments form concatenations, and a single alteration might render the concatenation deserving of much different estimation. The alteration makes for a new and distinct concatenation. Distributive justice involves a sense of confronting a robust set of objects—people, particularly those “connected” to us—over which one is to distribute one’s social resources. But with estimative justice, we do not have much sense of a complete set of objects.

Estimative justice is a more elementary operator than distributive; its elements do not of themselves make for distribution of a set of resources to another set of objects. The minimal nature of estimative justice, Smith says, makes it “still more extensive” than distributive justice. Estimative justice is naturally recursive. If one justice swallows another, it is estimative that swallows up both distributive and commutative. Estimative justice is like a whale that swallows up all objects presented to it.

There’s another good reason to keep distributive and estimative justice distinct. The move that we applied to commutative justice, to create a claim, called a right or liberty, is a move that naturally accedes as well to distributive justice. Steve, a friend of Jim’s, may justly talk of having a loose sort of claim on Jim’s time or other resources, though not by promise or contract—that is, not by commutative justice. It attends, rather, distributive justice, and is only a loose or imperfect right.

For estimative justice, however, such a move is far messier: estimative justice is justice done to an object—such as a poem, a picture, or an idea—and it does not make much sense to say that a poem, a picture, or an idea enjoys a claim or a right.

Consider a public policy issue—say, the federal prohibition on payments for organs, such as kidneys. The prohibition is, first of all, a violation of commutative justice, in that it has the government messing with other people’s stuff, by initiating coercion (including threat thereof) against non-coercers, notably would-be kidney transactors. Second, one’s failing to oppose the prohibition would be estimatively unjust, in that it would be overestimating prohibition relative to the alternative (liberalization). We may also say that the advocate of prohibition is distributively unjust, in that he makes an unbecoming use of his own, in advocating prohibition.

It is important to embrace Smith’s tri-layered justice. Respecting the logic of each layer helps us to see more clearly what we are talking about and where we agree and disagree. Such clarity will help to show where vagueness inheres, why it does, and just how sprawling and challenging that vagueness is. Thus, Smith’s tri-layered understanding teaches us humility in advancing assertions about the loose, vague, and indeterminate facets. It teaches us to refrain from calling loudly, in matters beyond commutative justice.

Seeing the three layers of justice enables us to appreciate commutative justice. By distinguishing it cogently, we better see its crucial role in providing a social grammar. If you recognize the need to understand justice in a way that extends beyond commutative justice, you should engage with Smith. He guides us on how to talk justice beyond the commutative: formulate it as either distributive or estimative, not an admixture of the two.

Daniel B. Klein

Daniel B Klein

Daniel Klein is professor of economics and JIN Chair at the Mercatus Center at George Mason University, where he leads a program in Adam Smith.

He is also associate fellow at the Ratio Institute (Stockholm), research fellow at the Independent Institute, and chief editor of Econ Journal Watch.

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